11309302803 has 4 divisors (see below), whose sum is σ = 15079070408. Its totient is φ = 7539535200.

The previous prime is 11309302793. The next prime is 11309302817. The reversal of 11309302803 is 30820390311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30820390311 = 3 ⋅10273463437.

It is not a de Polignac number, because 11309302803 - 2⁴ = 11309302787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11309302703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1884883798 + ... + 1884883803.

It is an arithmetic number, because the mean of its divisors is an integer number (3769767602).

Almost surely, 2^11309302803 is an apocalyptic number.

11309302803 is a deficient number, since it is larger than the sum of its proper divisors (3769767605).

11309302803 is an equidigital number, since it uses as much as digits as its factorization.

11309302803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769767604.

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 11309302803 in words is "eleven billion, three hundred nine million, three hundred two thousand, eight hundred three".